All functions
geom_alluvium	Alluvia across strata
geom_flow	Flows between lodes or strata
geom_lode	Lodes at intersections of alluvia and strata
geom_stratum	Strata at axes
is_alluvial is_alluvial_lodes is_alluvial_alluvia	Check a data frame for alluvial structure
lode_zigzag lode_rightward lode_leftward lode_rightleft lode_leftright	Lode guidance functions
majors	Student curricula across semesters
stat_alluvium	Alluvial positions
stat_flow	Flow positions
stat_stratum	Stratum positions
to_alluvia	Expand an axis indicator and an axis value into multiple axis variables
to_lodes	Combine multiple axis variables into an axis indicator and an axis value
vaccinations	Influenza vaccination rates